On Tue, May 09, 2017 at 03:09:33PM +0100, Tvrtko Ursulin wrote: > From: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxx> > > By popular customer demand here is the prototype for cheap engine utilization > tracking. customer and debugfs? > It uses static branches so in the default off case it really should be cheap. Not as cheap (for the off case) as simply sampling RING_HEAD/RING_TAIL which looks to be the same level of detail. I wrapped all this up in a perf interface once up a time... -Chris -- Chris Wilson, Intel Open Source Technology Centre _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx